CN106763138B - Ball hinge - Google Patents
Ball hinge Download PDFInfo
- Publication number
- CN106763138B CN106763138B CN201710166132.5A CN201710166132A CN106763138B CN 106763138 B CN106763138 B CN 106763138B CN 201710166132 A CN201710166132 A CN 201710166132A CN 106763138 B CN106763138 B CN 106763138B
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- Prior art keywords
- ball
- shell
- limiting
- ball body
- sphere
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- 230000033001 locomotion Effects 0.000 claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0604—Construction of the male part
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0661—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the two co-operative parts each having both convex and concave interfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a ball hinge, which comprises a ball shell with an opening at the top and a ball body arranged in the ball shell; and a limiting column and a limiting hole which are used for limiting the ball body to rotate relative to the ball shell in the Z-axis direction and are matched with each other are arranged between the ball body and the ball shell. In the ball hinge provided by the invention, the ball body and the ball shell can be separated and joined, when the ball body and the ball shell are in a joint and matching state, the ball body and the ball shell can be linked, the ball shell can limit the rotation of the ball body relative to the ball shell in the Z-axis direction and the movement of the ball body relative to the ball shell in the X, Y-axis direction, and the movement between the ball body and the ball shell is a pure rolling movement mode.
Description
Technical Field
The present invention relates to a driving mechanism, and more particularly, to a ball hinge.
Background
The existing spherical pair on the market at present comprises a sphere and a spherical shell, wherein the spherical shell and the sphere in the spherical pair are of a concentric structure, the spherical shell is used for limiting the movement of the sphere in the X, Y, Z axial direction, and the sphere in the spherical pair can rotate around X, Y, Z axial relative to the spherical shell; the spherical pair structure completely limits the freedom of the sphere moving in the X, Y, Z axis direction and completely limits the freedom of the sphere rotating around the X, Y, Z axis.
There is also a common ball pin pair similar to the ball pair in structure, the ball pin pair limits the freedom of the ball body moving along the X, Y, Z axis direction relative to the ball shell, at the same time, a pin groove is arranged on the ball shell, a pin rod is arranged on the ball body, and the ball body is limited to rotate around a certain axis relative to the ball shell through the cooperation of the pin rod and the pin groove; however, the ball pin pair with the structure has the defect that when the ball body and the ball shell rotate through the cooperation of the pin rod and the pin groove, the ball body and the ball shell cannot be fixed and force transmission can not be carried out when the angle of rotation of the ball body relative to the ball shell is smaller than the limit angle of the cooperation of the pin rod and the two ends of the pin groove, namely, when the ball body rotates along the slotting direction of the pin groove or relative to the slotting direction of the pin groove, the ball body and the ball shell cannot be relatively fixed and force transmission and linkage can not be carried out through the pin rod and the pin groove.
Meanwhile, the structure of the existing spherical pair or the spherical pin pair is limited mainly by the degree of freedom that the sphere center between the sphere and the spherical shell is coincident and the sphere is attached, wherein the sphere and the spherical shell are required to be pre-assembled together, the movement between the sphere and the spherical shell is relative friction movement, and in the use movement process, the relative friction loss of the sphere and the spherical shell is large, and the service life is short. Meanwhile, in some special mechanism occasions, when the freedom degree of the ball hinge is required to be selected and limited according to actual conditions, as the separation and the connection of the two states can not be realized between the ball body and the ball shell of the existing ball hinge, the combination of two or more mechanisms is required to be realized, and further the whole structure of the mechanism is too complex, and a plurality of inconveniences exist in the production and manufacturing links of the mechanism and the assembly links of the mechanism.
Therefore, there is a need to provide a new ball hinge structure to overcome the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide a ball hinge with a brand new structure. The ball body and the ball shell of the ball hinge can be separated and jointed, when the ball body and the ball shell are in a joint and matching state, the ball body and the ball shell can be linked, the ball shell can limit the rotation of the ball body relative to the ball shell in the Z-axis direction and the movement of the ball body relative to the ball shell in the X, Y-axis direction, and the movement between the ball body and the ball shell is a pure rolling movement mode.
In order to solve the technical problems, the invention adopts the following technical scheme:
A ball hinge comprising a ball housing having an opening at a top and a ball disposed within the ball housing;
and a limiting column and a limiting hole which are used for limiting the ball body to rotate relative to the ball shell in the Z-axis direction and are matched with each other are arranged between the ball body and the ball shell.
The ball hinge provided by the invention realizes the clutch function between the ball body and the ball shell, namely when the ball body and the ball shell are in a separated state, the driving can respectively and independently act on the ball body or the ball shell, and the ball body and the ball shell independently move without interference. When the two are in the joint state, the driving is independently applied to the ball body or the ball shell, no matter what angular position relation is between the ball body and the ball shell, the ball body and the ball shell can transmit force and torque, linkage is generated in the X, Y axial direction, and through mutually matched limit posts and limit holes arranged between the ball body and the ball shell, the ball shell in the ball hinge can limit the rotation of the ball body relative to the ball shell in the Z-axis direction and the movement of the ball body relative to the ball shell in the X, Y axial direction.
Preferably, when the sphere is matched with the sphere shell, at least two limit posts are positioned in the corresponding limit holes. Through the design, the spherical shell in the spherical hinge limits the movement of the sphere relative to the spherical shell in the X, Y-axis direction and simultaneously limits the rotation of the sphere relative to the spherical shell in the Z-axis direction.
Preferably, the diameter of the spherical shell opening is larger than the diameter of the sphere; which facilitates a sufficient separation between the sphere and the spherical shell.
Preferably, the limiting column is arranged on the sphere, and the limiting hole is arranged on the spherical shell.
Preferably, the limiting column is arranged on the spherical shell, and the limiting hole is arranged on the sphere.
Preferably, the outer sphere surface of the sphere is inscribed in the inner sphere surface of the spherical shell, and the sphere performs rolling motion in the spherical shell. The outer spherical surface of the sphere is internally tangent to the inner spherical surface of the spherical shell, so that pure rolling motion can be performed between the spherical surface and the inner spherical surface of the spherical shell, and the relative friction between the sphere and the spherical shell in the working process is reduced through the engagement of the limiting column and the limiting hole, so that the transmission efficiency is improved, and the service life of the sphere and the spherical shell serving as a motion mechanism is prolonged.
Preferably, the limit posts and the limit holes are arranged in a crisscross array.
Preferably, the surfaces of the limiting posts matched with the limiting holes are mutually matched involute surfaces. The ball body can do pure rolling without sliding motion by taking the center of any limit column as the center of a circle when the ball body rotates along any axis in the X, Y plane, the stress between the limit column and the limit hole is more uniform, the meshing transmission efficiency is higher, the friction loss between the ball body and the ball shell is minimum, and the service life is longer.
Preferably, the limiting hole is a blind hole or a through hole.
Preferably, the limiting hole is a blind hole.
The beneficial effects of the invention are as follows:
1. the ball hinge provided by the invention has the clutch function between the ball body and the ball shell, namely, the ball body and the ball shell can be used separately or in a joint way.
2. Based on the clutch function of the ball hinge, when the ball body and the ball shell are in a separated state, the driving can respectively and independently act on the ball body or the ball shell, and the ball body and the ball shell independently move without interference. When the two are in the joint state, the drive independently acts on the sphere or the spherical shell, and no matter what angular position relationship is between the sphere and the spherical shell, the two can transmit force and torque, and linkage is generated in the X, Y axial direction.
3. According to the ball hinge provided by the invention, through the mutually matched limit posts and limit holes arranged between the ball body and the ball shell, the ball shell can limit the rotation of the ball body relative to the ball shell in the Z-axis direction and the movement of the ball body in the X, Y-axis direction, and the ball hinge ensures that when the ball body rotates along any axis in a X, Y plane, the ball body can do pure rolling without sliding motion by taking the center of any limit post as the center of a circle.
4. According to the ball hinge, the ball body performs pure rolling motion in the ball shell, and the relative friction between the ball body and the ball shell in the working process is reduced through the engagement of the limiting column and the limiting hole, so that the transmission efficiency is improved, and the service life of the ball body and the ball shell serving as a motion mechanism is prolonged.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Fig. 1 shows a schematic view of the assembly of a ball hinge provided by the invention.
Fig. 2 shows a schematic structural diagram of a sphere in the present invention.
Fig. 3 shows a schematic structural view of the spherical shell according to the present invention.
Detailed Description
In order to more clearly illustrate the present invention, the present invention will be further described with reference to preferred embodiments and the accompanying drawings. Like parts in the drawings are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and that this invention is not limited to the details given herein.
Embodiment one:
As shown in fig. 1 to 3, the present invention provides a ball hinge, which includes a ball housing 2 having an opening 21 at the top and a ball 1 disposed in the ball housing 2; preferably, the ball body 1 is provided with a ball rod 11; a limit column and a limit hole which are used for limiting the rotation of the ball body 1 relative to the ball shell 2 in the Z-axis direction and are matched with each other are arranged between the ball body 1 and the ball shell 2; specifically, the spacing post 3 is located on the spheroid 1, spacing hole 4 sets up on the spherical shell 2, spacing hole 4 is the through-hole setting. Preferably, the limit posts 3 on the ball body 1 and the limit holes 4 on the ball shell 2 are matched and arranged in a crisscross array mode, and the matched surfaces of the limit posts 3 and the limit holes 4 are mutually matched involute surfaces; and when the ball body 1 is matched with the ball shell 2, at least two limit posts 3 are positioned in the corresponding limit holes 4.
Further, the diameter of the opening 21 of the spherical shell 2 is larger than the diameter of the sphere 1; the outer spherical surface of the sphere 1 is inscribed on the inner spherical surface of the sphere shell 2, and the sphere 1 performs rolling motion in the sphere shell 2.
The ball hinge provided by the embodiment of the invention has the clutch function between the ball body 1 and the ball shell 2, namely, the ball body 1 and the ball shell 2 can be used separately or in a joint way. Based on the clutch function of the ball, when the ball 1 and the ball shell 2 are in a separated state, external drive can respectively and independently act on the ball 1 or the ball shell 2, and the ball 1 and the ball shell 2 independently move without interference. When the two are in the engaged state, the external drive acts on the sphere 1 or the spherical shell 2 alone, and no matter what angular position relationship is between the sphere 1 and the spherical shell 2, the two can transmit force and torque, and linkage is generated in the X, Y axial direction. Through the mutually matched limit posts and limit holes arranged between the ball body 1 and the ball shell 2, the ball shell 2 can limit the rotation of the ball body 1 relative to the ball shell in the Z-axis direction and the movement of the ball body 1 in the X, Y-axis direction, and the ball body 1 can do pure rolling without sliding motion by taking the center of any limit post 4 as the center of a circle when the ball body 1 rotates along any axis in the X, Y plane; through the engagement between the limit posts 3 and the limit holes 4, when the ball 1 makes pure rolling motion in the ball shell 2, the relative friction between the ball 1 and the ball shell 2 in the working process is reduced, the transmission efficiency is improved, and the service life of the ball 1 and the ball shell 2 serving as a motion mechanism is prolonged. Therefore, the ball hinge mechanism can be used on VR seat motion platforms, players can actively control seat ends (namely ball ends) and can be passively controlled by base ends (ball shell ends), so that the platform is compatible with various VR games, and product compatibility and game interestingness are improved.
Embodiment two:
The difference between the first embodiment and the second embodiment is that the limiting post is disposed on the inner spherical surface of the spherical shell, the limiting hole is disposed on the outer spherical surface of the spherical body, and the limiting hole disposed on the outer spherical surface of the spherical body is a blind hole.
The ball hinge structure provided by the embodiment also realizes the clutch function between the ball body and the ball shell, namely when the ball body and the ball shell are in a separated state, the driving can respectively and independently act on the ball body or the ball shell, and the ball body and the ball shell independently move without interference. When the two are in the joint state, the driving is independently applied to the ball body or the ball shell, no matter what angular position relation is between the ball body and the ball shell, the ball body and the ball shell can transmit force and torque, linkage is generated in the X, Y axial direction, and through mutually matched limit posts and limit holes arranged between the ball body and the ball shell, the ball shell in the ball hinge can limit the rotation of the ball body relative to the ball shell in the Z-axis direction and the movement of the ball body relative to the ball shell in the X, Y axial direction.
It should be understood that the foregoing examples of the present invention are provided merely for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (5)
1. A ball hinge, characterized in that the ball hinge comprises a ball shell with an opening at the top and a ball arranged in the ball shell;
A limiting column and a limiting hole which are used for limiting the ball body to rotate relative to the ball shell in the Z-axis direction and are matched with each other are arranged between the ball body and the ball shell;
The diameter of the spherical shell opening is larger than that of the sphere, the outer spherical surface of the sphere is internally tangent to the inner spherical surface of the spherical shell, and the surfaces matched with the limiting holes on the limiting columns are mutually matched involute surfaces, so that the sphere can do pure rolling without sliding motion in the spherical shell by taking the center of the limiting columns as the center of the circle;
The limiting columns and the limiting holes are arranged in a crisscross array mode; when the ball body is matched with the ball shell, at least two limit posts are positioned in the limit holes corresponding to the ball body;
When the ball body and the ball shell are in an engaged state, the external drive independently acts on the ball body or the ball shell, and no matter what angular position relationship is between the ball body and the ball shell, the ball body and the ball shell can transmit force and torque, and linkage is generated in the X, Y axial direction.
2. The ball hinge of claim 1, wherein the limit post is disposed on the ball and the limit hole is disposed on the ball housing.
3. The ball hinge of claim 1, wherein the limit post is disposed on the ball housing and the limit hole is disposed on the ball.
4. A ball hinge according to claim 3, wherein the limiting aperture is a blind aperture or a through aperture.
5. A ball hinge according to claim 1, wherein the limiting aperture is a blind aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166132.5A CN106763138B (en) | 2017-03-20 | 2017-03-20 | Ball hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166132.5A CN106763138B (en) | 2017-03-20 | 2017-03-20 | Ball hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763138A CN106763138A (en) | 2017-05-31 |
| CN106763138B true CN106763138B (en) | 2024-04-26 |
Family
ID=58967191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710166132.5A Active CN106763138B (en) | 2017-03-20 | 2017-03-20 | Ball hinge |
Country Status (1)
| Country | Link |
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| CN (1) | CN106763138B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521560A (en) * | 2018-04-20 | 2018-09-11 | 安徽展航信息科技发展有限公司 | A kind of mobile live streaming equipment of multi-platform teaching |
| CN108354798A (en) * | 2018-04-26 | 2018-08-03 | 厦门弼康电子有限公司 | A kind of massager core and massage armchair |
| CN110487218B (en) * | 2019-08-27 | 2021-01-12 | 杭州电子科技大学 | Novel angle measuring method of ball hinge based on space indexing positioning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201035457A (en) * | 2009-03-20 | 2010-10-01 | Pegatron Corp | Hinge device |
| CN201729190U (en) * | 2010-06-13 | 2011-02-02 | 宁波锐泰机械制造有限公司 | Automobile steering pull rod ball head assembly |
| KR20130006216A (en) * | 2011-07-08 | 2013-01-16 | (주) 에스문 | A structure of a ball hinge |
| CN204327741U (en) * | 2014-11-21 | 2015-05-13 | 浙江正奥汽配有限公司 | A kind of spherical shell assembly |
| CN206571818U (en) * | 2017-03-20 | 2017-10-20 | 歌尔科技有限公司 | A kind of spherical hinge |
-
2017
- 2017-03-20 CN CN201710166132.5A patent/CN106763138B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201035457A (en) * | 2009-03-20 | 2010-10-01 | Pegatron Corp | Hinge device |
| CN201729190U (en) * | 2010-06-13 | 2011-02-02 | 宁波锐泰机械制造有限公司 | Automobile steering pull rod ball head assembly |
| KR20130006216A (en) * | 2011-07-08 | 2013-01-16 | (주) 에스문 | A structure of a ball hinge |
| CN204327741U (en) * | 2014-11-21 | 2015-05-13 | 浙江正奥汽配有限公司 | A kind of spherical shell assembly |
| CN206571818U (en) * | 2017-03-20 | 2017-10-20 | 歌尔科技有限公司 | A kind of spherical hinge |
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| Publication number | Publication date |
|---|---|
| CN106763138A (en) | 2017-05-31 |
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Effective date of registration: 20201016 Address after: 261031 north of Yuqing East Street, east of Dongming Road, Weifang High tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Applicant after: GoerTek Optical Technology Co.,Ltd. Address before: 266100 Qingdao, Laoshan District, North House Street investment service center room, Room 308, Shandong Applicant before: GOERTEK TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230104 Address after: 266100 Room 308, Beizhai Street Investment Service Center, Laoshan District, Qingdao City, Shandong Province Applicant after: GOERTEK TECHNOLOGY Co.,Ltd. Address before: 261031 east of Dongming Road, north of Yuqing East Street, Weifang High tech Zone, Weifang City, Shandong Province (Room 502, Geer electronics office building) Applicant before: GoerTek Optical Technology Co.,Ltd. |
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